1. Medical University of Sofia, Faculty of Medicine, Department of Neurology, Clinic of Neurology; University Hospital Alexandrovska; Sofia Bulgaria
2. Molecular Neurogenomics Group, Department of Molecular Genetics; Antwerp Belgium
3. Neurogenetics Laboratory, Institute Born-Bunge; University of Antwerp; Antwerp Belgium
4. Department of Medical Chemistry and Biochemistry, Molecular Medicine Center; Medical University-Sofia; Sofia Bulgaria
5. Department of Neurology; Sofiamed Hospital; Sofia Bulgaria
6. Department of Diagnostic Genomics, PathWest; QEII Medical Centre; Nedlands WA Australia
7. Harry Perkins Institute of Medical Research and Centre for Medical Research; The University of Western Australia; Perth Australia
8. Department of Cognitive Science and Psychology; New Bulgarian University; Sofia Bulgaria